71. A chartered professional accountant who agrees with his client on remuneration based on a contingent fee shall keep the following information and documents in his records:(1) the agreement describing the nature of the contract, the fee agreed upon and the outcome on which it depends;
(2) the grounds on which the chartered professional accountant concerned has concluded that this remuneration method does not impair his duty of objectivity;
(3) the measures put in place to protect against the risk of a lack of objectivity, if any;
(4) the client’s consent.